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kryp·ton AHD[krĭpʹtŏn'] D.J.[ˈkrɪpˌtɒn]K.K.[ˈkrɪpˌtɑn]n.Symbol Kr （名词）符号 Kr - A whitish, inert gaseous element used chiefly in gas discharge lamps and fluorescent lamps. Atomic number 36; atomic weight 83.80; melting point -156.6°C; boiling point -152.30°C; density 3.73 grams per liter (0°C). See table at element 氪：一种微白的惰性气体元素，主要用于充气灯和荧光灯。原子序数36；原子量83.80；熔点-156.6°C；沸点-152.30°C；0°C时密度每升3.73克 参见 element
- Greek krupton [neuter of] kruptos [hidden] 希腊语 krupton kruptos的中性 [隐藏的]
- from kruptein [to hide] 源自 kruptein [隐藏]
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